| /* |
| * Copyright 2010 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Author: sligocki@google.com (Shawn Ligocki) |
| |
| #ifndef PAGESPEED_KERNEL_BASE_SPLIT_WRITER_H_ |
| #define PAGESPEED_KERNEL_BASE_SPLIT_WRITER_H_ |
| |
| #include "pagespeed/kernel/base/basictypes.h" |
| #include "pagespeed/kernel/base/string_util.h" |
| #include "pagespeed/kernel/base/writer.h" |
| |
| namespace net_instaweb { |
| |
| class MessageHandler; |
| |
| // SplitWriter writes to two sub-writers. |
| class SplitWriter : public Writer { |
| public: |
| SplitWriter(Writer* sub_writer1, Writer* sub_writer2) |
| : writer1_(sub_writer1), writer2_(sub_writer2) { |
| } |
| |
| virtual ~SplitWriter(); |
| |
| virtual bool Write(const StringPiece& str, MessageHandler* handler) { |
| bool ret = writer1_->Write(str, handler); |
| ret &= writer2_->Write(str, handler); |
| return ret; |
| } |
| |
| virtual bool Flush(MessageHandler* handler) { |
| bool ret = writer1_->Flush(handler); |
| ret &= writer2_->Flush(handler); |
| return ret; |
| } |
| |
| private: |
| Writer* writer1_; |
| Writer* writer2_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SplitWriter); |
| }; |
| |
| } // namespace net_instaweb |
| |
| #endif // PAGESPEED_KERNEL_BASE_SPLIT_WRITER_H_ |